JPH043593B2 - - Google Patents

Info

Publication number
JPH043593B2
JPH043593B2 JP61029154A JP2915486A JPH043593B2 JP H043593 B2 JPH043593 B2 JP H043593B2 JP 61029154 A JP61029154 A JP 61029154A JP 2915486 A JP2915486 A JP 2915486A JP H043593 B2 JPH043593 B2 JP H043593B2
Authority
JP
Japan
Prior art keywords
actuator
coils
magnetic
coil
disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP61029154A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61229226A (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS61229226A publication Critical patent/JPS61229226A/ja
Publication of JPH043593B2 publication Critical patent/JPH043593B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
JP61029154A 1985-04-02 1986-02-14 アクチユエ−タ Granted JPS61229226A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/718,911 US4669013A (en) 1985-04-02 1985-04-02 Multiple coils for reduction of stray magnetic fields in disk file actuators
US718911 1985-04-02

Publications (2)

Publication Number Publication Date
JPS61229226A JPS61229226A (ja) 1986-10-13
JPH043593B2 true JPH043593B2 (zh) 1992-01-23

Family

ID=24888060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61029154A Granted JPS61229226A (ja) 1985-04-02 1986-02-14 アクチユエ−タ

Country Status (4)

Country Link
US (1) US4669013A (zh)
EP (1) EP0197394A3 (zh)
JP (1) JPS61229226A (zh)
CA (1) CA1306799C (zh)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868432A (en) * 1979-12-26 1989-09-19 Unisys Corporation (Formerly Burroughs Corp) Multi-coil actuator with end cap flux carrier
US4808955A (en) * 1987-10-05 1989-02-28 Bei Electronics, Inc. Moving coil linear actuator with interleaved magnetic circuits
US4831291A (en) * 1987-10-28 1989-05-16 Kaman Instrumentation Corporation Differentially wound electromagnetic actuator
US5099158A (en) * 1989-03-07 1992-03-24 Aura Systems, Inc. Electromagnetic actuator
US4912343A (en) * 1988-08-31 1990-03-27 Aura Systems, Inc. Electromagnetic actuator
JP2870112B2 (ja) * 1990-04-13 1999-03-10 三菱電機株式会社 フレキシブルディスク装置
AU672953B2 (en) * 1991-08-05 1996-10-24 Speaker Acquisition Sub Voice coil actuator
US5293290A (en) * 1991-10-17 1994-03-08 Storage Technology Corporation Stackable linear actuator using embedded coil carriages
US5485320A (en) * 1993-05-24 1996-01-16 Trace Mountain Products, Inc. Method and apparatus for adjusting asymmetric recording signals
JP3387173B2 (ja) * 1993-10-27 2003-03-17 ソニー株式会社 電磁駆動装置
US5521774A (en) * 1994-03-18 1996-05-28 Cartesian Data, Inc. Memory storage module for storing and accessing
US5539262A (en) * 1994-08-03 1996-07-23 Aura Systems, Inc. Axially focused radial magnet voice coil actuator
JP3593672B2 (ja) * 1998-05-01 2004-11-24 日創電機株式会社 成形機
JP3427171B2 (ja) * 1998-05-01 2003-07-14 日創電機株式会社 成形機
US6278247B1 (en) * 1999-06-28 2001-08-21 Tristram Tupper Hyde Multi-resolution drive for actuators
GB2385470A (en) * 2002-02-11 2003-08-20 Ling Dynamic Systems Vibrator - bearing and coil layout
US7777600B2 (en) * 2004-05-20 2010-08-17 Powerpath Technologies Llc Eddy current inductive drive electromechanical liner actuator and switching arrangement
US7538980B2 (en) * 2005-09-14 2009-05-26 International Business Machines Corporation Actuator assembly
US20080042322A1 (en) * 2006-08-15 2008-02-21 Husky Injection Molding Systems Ltd. Platen-stroke actuator of molding system, amongst other things
US7675202B1 (en) * 2007-07-18 2010-03-09 Benjamin Huang Isotropic ring magnet linear voice coil motor
US8305714B2 (en) 2010-12-23 2012-11-06 Hitachi Global Storage Technologies, Netherlands B.V. Voice-coil motor with voice coils configured oriented in the same direction and substantially overlayed to reduce head vibrations in a disk drive
BR112015005408A2 (pt) * 2012-09-12 2017-07-04 Genesis Group Inc mecanismo cinemático paralelo, atuador linear de bobina de voz e junta esférica do dito mecanismo

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599020A (en) * 1970-02-27 1971-08-10 Ibm Linear actuator with alternating magnetic poles
US4314295A (en) * 1979-10-18 1982-02-02 Burroughs Corporation Linear actuator with staggered flat coils
US4612592A (en) * 1979-12-26 1986-09-16 Burroughs Corporation Dual coil/dual magnet actuator
EP0040509B1 (en) * 1980-05-19 1986-04-02 Hugh-Peter Granville Kelly Linear motor
JPH0681482B2 (ja) * 1982-07-01 1994-10-12 高橋 義照 リニアモータ
JPS61164459A (ja) * 1985-01-11 1986-07-25 Showa Electric Wire & Cable Co Ltd リニアモ−タ

Also Published As

Publication number Publication date
EP0197394A3 (en) 1988-11-02
EP0197394A2 (en) 1986-10-15
US4669013A (en) 1987-05-26
JPS61229226A (ja) 1986-10-13
CA1306799C (en) 1992-08-25

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